Fluorescence Quantum Yield

Famous quotes containing the words quantum and/or yield:

“The receipt to make a speaker, and an applauded one too, is short and easy.—Take of common sense quantum sufficit, add a little application to the rules and orders of the House, throw obvious thoughts in a new light, and make up the whole with a large quantity of purity, correctness, and elegancy of style.”
—Philip Dormer Stanhope, 4th Earl Chesterfield (1694–1773)

“Such were garrulous and noisy eras, which no longer yield any sound, but the Grecian or silent and melodious era is ever sounding and resounding in the ears of men.”
—Henry David Thoreau (1817–1862)